[SPARK-41224] Optimize Arrow collect to stream the result from server to client

• Type: Task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.4.0
• Fix Version/s: 3.4.0
• Component/s: Connect
• Assignee: Hyukjin Kwon
• Reporter: Hyukjin Kwon
• Created: 22/Nov/22 11:50
• Updated: 12/Dec/22 17:51
• Resolved: 24/Nov/22 13:29

Description

https://github.com/apache/spark/pull/38468 implemented Arrow-based collect but they cannot stream the result from server to the client. We can stream them if the first partition is collected first

Issue Links

• links to: [Github] Pull Request #38759 (HyukjinKwon)